Home / 124,534.56-186,801.08-57,938

Finding the Fourth Proportional to 124,534.56, 186,801.08 and 57,938

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Solution

The fourth proportional to 124,534.56, 186,801.08 and 57,938 is: 86,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,534.56 : 186,801.08 = 57,938 : x
  2. Step 2: Convert to fraction form
    124,534.56/186,801.08 = 57,938/x
  3. Step 3: Cross multiply
    124,534.56x = 186,801.08 × 57,938
  4. Step 4: Simplify right side
    124,534.56x = 10,822,880,973.04
  5. Step 5: Solve for x
    x = 10,822,880,973.04/124,534.56
  6. Step 6: Final answer
    x = 86,906.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.